<div class="banner">
    <!--轮播 -->
    <div class="am-slider am-slider-default scoll" data-am-flexslider id="demo-slider-0">
        <ul class="am-slides">
            <li class="banner1"><a href="introduction.html"><img src="/uploads/ad1.jpg"/></a></li>
            <li class="banner2"><a><img src="/uploads/ad2.jpg"/></a></li>
            <li class="banner3"><a><img src="/uploads/ad3.jpg"/></a></li>
            <li class="banner4"><a><img src="/uploads/ad4.jpg"/></a></li>
            <li class="banner1"><a><img src="/uploads/ad5.jpg"/></a></li>
            <li class="banner2"><a><img src="/uploads/ad6.jpg"/></a></li>
            <li class="banner3"><a><img src="/uploads/ad7.jpg"/></a></li>
            <li class="banner4"><a><img src="/uploads/ad8.jpg"/></a></li>
        </ul>
    </div>

    <!--轮播 -->
    <div class="clear"></div>
</div>